#A4312C#A4312C

#A4312C is a mid, vivid red. Relative luminance 0.103; OKLCH L 48.6% C 0.152 H 26.9°. Best body text is #FFFFFF at 6.88:1 contrast (WCAG AA passes).

Color values

HEX#A4312C
RGBrgb(164, 49, 44)
HSLhsl(3, 58%, 41%)
HSVhsv(3, 73%, 64%)
CMYKcmyk(0%, 70.1%, 73.2%, 35.7%)
CIE-LABlab(38.33, 46.79, 30.22)
CIE-LCHlch(38.33, 55.70, 32.86°)
OKLaboklab(48.63% 0.1354 0.0687)
OKLCHoklch(48.63% 0.152 26.9)
XYZxyz(16.8646, 10.2735, 3.4773)
Luminance0.1027 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A4312C #2C9FA4
analogous
#A42C63 #A4312C #A46D2C
triadic
#A4312C #2CA431 #312CA4
tetradic
#A4312C #63A42C #2C9FA4 #6D2CA4
square
#A4312C #63A42C #2C9FA4 #6D2CA4
split-complementary
#A4312C #2CA46D #2C63A4
monochromatic
#431412 #74231F #A4312C #CC4741 #D97671

Accessibility & contrast

On white

6.88
#A4312C on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.05
#A4312C on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A4312C
6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A4312C#FFFFFF#000000##FFFFFF
##A4312C1.006.883.056.88
#FFFFFF6.881.0021.001.00
#0000003.0521.001.0021.00
##FFFFFF6.881.0021.001.00

Color blindness preview

Protanopia (red-blind)
#524A2A
Deuteranopia (green-blind)
#6E6328
Tritanopia (blue-blind)
#B50B31
Achromatopsia (no color)
#5A5A5A

Design tokens & code

CSS
--color: #a4312c;
/* rgb */ color: rgb(164, 49, 44);
/* oklch */ color: oklch(48.6% 0.152 26.9);
Tailwind
colors: {
  custom: {
    50: '#c77165',
    500: '#a4312c',
    950: '#000000',
  },
}
SCSS
$custom: #a4312c;
$custom-light: #c77165;
$custom-dark: #000000;
JSON
{
  "hex": "#a4312c",
  "rgb": {
    "r": 164,
    "g": 49,
    "b": 44
  },
  "hsl": {
    "h": 2.5,
    "s": 57.692,
    "l": 40.784
  },
  "oklch": {
    "l": 0.48634,
    "c": 0.15185,
    "h": 26.9
  },
  "luminance": 0.10271
}

Semantic roles & 50–950 ramp

primary
#A4312C
secondary
#6BBDC0
accent
#DBE147
background
#FDF7F6
surface
#FAEDEB
border
#D3C8C6
text
#140805
muted
#837B7A

Preview Lab

Preview with #A4312C

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#A4312C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva